From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755453AbaC0AIa (ORCPT ); Wed, 26 Mar 2014 20:08:30 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:50039 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756639AbaC0AG4 (ORCPT ); Wed, 26 Mar 2014 20:06:56 -0400 From: Felipe Balbi To: Balaji T K CC: , , , Linux OMAP Mailing List , Linux Kernel Mailing List , Felipe Balbi Subject: [PATCH 3/5] mmc: host: omap_hsmmc: introduce new accessor functions Date: Wed, 26 Mar 2014 19:04:48 -0500 Message-ID: <1395878690-9650-4-git-send-email-balbi@ti.com> X-Mailer: git-send-email 1.9.1.286.g5172cb3 In-Reply-To: <1395878690-9650-1-git-send-email-balbi@ti.com> References: <1395878690-9650-1-git-send-email-balbi@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org we introduce new accessors which provide for register access with and without offsets. This is just to make sure newer versions of the IP can access the new registers prepended at the beginning of the address space. Signed-off-by: Felipe Balbi --- drivers/mmc/host/omap_hsmmc.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index d46f768..e596c6a 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -211,6 +211,42 @@ struct omap_hsmmc_host { struct omap_mmc_platform_data *pdata; }; +static inline int _omap_hsmmc_read(struct omap_hsmmc_host *host, + u32 reg, bool offset) +{ + return readl(host->base + reg + (offset ? host->reg_offset : 0)); +} + +static inline void _omap_hsmmc_write(struct omap_hsmmc_host *host, + u32 reg, u32 val, bool offset) +{ + writel(val, host->base + reg + (offset ? host->reg_offset : 0)); +} + +static inline int omap_hsmmc_read_offset(struct omap_hsmmc_host *host, + u32 reg) +{ + return _omap_hsmmc_read(host, reg, true); +} + +static inline void omap_hsmmc_write_offset(struct omap_hsmmc_host *host, + u32 reg, u32 val) +{ + _omap_hsmmc_write(host, reg, val, true); +} + +static inline int omap_hsmmc_read_no_offset(struct omap_hsmmc_host *host, + u32 reg) +{ + return _omap_hsmmc_read(host, reg, false); +} + +static inline void omap_hsmmc_write_no_offset(struct omap_hsmmc_host *host, + u32 reg, u32 val) +{ + _omap_hsmmc_write(host, reg, val, false); +} + struct omap_mmc_of_data { u32 reg_offset; u8 controller_flags; -- 1.9.1.286.g5172cb3